Title:
ELECTROLYTE REFINING APPARATUS AND ELECTROLYTE REFINING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/054220
Kind Code:
A1
Abstract:
Provided are an electrolyte refining apparatus and an electrolyte refining method capable of reducing the hydrofluoric-acid content and the moisture content of an electrolyte by means of a simple method. The present invention provides an electrolyte refining apparatus that is for a battery electrolyte and that is provided with an absorbing apparatus 14 in which zeolite is accommodated, wherein the electrolyte refining apparatus is additionally provided with at least one of an anion exchange apparatus 12 that is connected to a preceding stage of the absorbing apparatus 14 and that accommodates a weakly-basic anion exchange resin and a cation exchange apparatus that is connected to a subsequent stage of the absorbing apparatus 14 and that accommodates a lithium-type strongly-acidic cation exchange resin.
More Like This:
Inventors:
YAO EIYA (JP)
NAKAMURA AKIRA (JP)
YOSHIMURA YASUHIRO (JP)
HIRANO SHIGERU (JP)
TOKUNAGA KEISUKE (JP)
NAKAMURA AKIRA (JP)
YOSHIMURA YASUHIRO (JP)
HIRANO SHIGERU (JP)
TOKUNAGA KEISUKE (JP)
Application Number:
PCT/JP2018/032563
Publication Date:
March 21, 2019
Filing Date:
September 03, 2018
Export Citation:
Assignee:
ORGANO CORP (JP)
International Classes:
H01M10/0566; B01D15/00; B01J39/05; B01J41/07
Domestic Patent References:
| WO2011074631A1 | 2011-06-23 |
Foreign References:
| JP2000505042A | 2000-04-25 | |||
| CN101083343A | 2007-12-05 | |||
| JP2015504838A | 2015-02-16 | |||
| JP2011071111A | 2011-04-07 | |||
| JP2006080063A | 2006-03-23 | |||
| JP2012092119A | 2012-05-17 |
Other References:
TUNG, L. A. ET AL.: "Sorption and Extraction of Lactic and Succinic Acids at pH > pKa1", 1. FACTORS GOVERNING EQUILIBRIA, IND. ENG. CHEM. RES., vol. 33, 1994, pages 3217 - 3223, XP055029367, DOI: doi:10.1021/ie00036a041
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
Download PDF: